Tam Lin

In the ancient Scottish ballad Tam Lin, headstrong Janet defies Tam Lin to walk in her own land of Carterhaugh . . . and then must battle the Queen of Faery for possession of her lover’s body and soul.
In this version of Tam Lin Janet is a college student, "Carterhaugh" is Carter Hall at the university where her father teaches, and Tam Lin is a boy named Thomas Lane. The book is set against the backdrop of the early 1970s.